♻️ Move transformer to an isolated module
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This commit is contained in:
LittleSheep 2023-12-16 10:25:49 +08:00
parent ed1b20873d
commit ae165e0f12
4 changed files with 45 additions and 31 deletions

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@ -1,10 +0,0 @@
package sign
import "encoding/json"
func DeserializeOptions[T any](data any) T {
var out T
raw, _ := json.Marshal(data)
_ = json.Unmarshal(raw, &out)
return out
}

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@ -1,6 +1,7 @@
package sign package sign
import ( import (
"code.smartsheep.studio/goatworks/roadsign/pkg/sign/transformers"
"errors" "errors"
"math/rand" "math/rand"
@ -39,6 +40,8 @@ func (v *RoadApp) Forward(ctx *fiber.Ctx, site *SiteConfig) error {
} }
} }
type RequestTransformerConfig = transformers.RequestTransformerConfig
type SiteConfig struct { type SiteConfig struct {
ID string `json:"id"` ID string `json:"id"`
Rules []*RouterRuleConfig `json:"rules" yaml:"rules"` Rules []*RouterRuleConfig `json:"rules" yaml:"rules"`

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@ -1,12 +1,12 @@
package sign package transformers
import ( import (
"regexp" "encoding/json"
"strings"
"github.com/gofiber/fiber/v2" "github.com/gofiber/fiber/v2"
) )
// Definitions
type RequestTransformer struct { type RequestTransformer struct {
ModifyRequest func(options any, ctx *fiber.Ctx) ModifyRequest func(options any, ctx *fiber.Ctx)
ModifyResponse func(options any, ctx *fiber.Ctx) ModifyResponse func(options any, ctx *fiber.Ctx)
@ -39,21 +39,18 @@ func (v *RequestTransformerConfig) TransformResponse(ctx *fiber.Ctx) {
} }
} }
var Transformers = map[string]RequestTransformer{ // Helpers
"replacePath": {
ModifyRequest: func(options any, ctx *fiber.Ctx) { func DeserializeOptions[T any](data any) T {
opts := DeserializeOptions[struct { var out T
Pattern string `json:"pattern"` raw, _ := json.Marshal(data)
Value string `json:"value"` _ = json.Unmarshal(raw, &out)
Repl string `json:"repl"` // Use when complex mode(regexp) enabled return out
Complex bool `json:"complex"` }
}](options)
path := string(ctx.Request().URI().Path()) // Map of Transformers
if !opts.Complex { // Every transformer need to be mapped here so that they can get work.
ctx.Path(strings.ReplaceAll(path, opts.Pattern, opts.Value))
} else if ex := regexp.MustCompile(opts.Pattern); ex != nil { var Transformers = map[string]RequestTransformer{
ctx.Path(ex.ReplaceAllString(path, opts.Repl)) "replacePath": ReplacePath,
}
},
},
} }

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@ -0,0 +1,24 @@
package transformers
import (
"github.com/gofiber/fiber/v2"
"regexp"
"strings"
)
var ReplacePath = RequestTransformer{
ModifyRequest: func(options any, ctx *fiber.Ctx) {
opts := DeserializeOptions[struct {
Pattern string `json:"pattern"`
Value string `json:"value"`
Repl string `json:"repl"` // Use when complex mode(regexp) enabled
Complex bool `json:"complex"`
}](options)
path := string(ctx.Request().URI().Path())
if !opts.Complex {
ctx.Path(strings.ReplaceAll(path, opts.Pattern, opts.Value))
} else if ex := regexp.MustCompile(opts.Pattern); ex != nil {
ctx.Path(ex.ReplaceAllString(path, opts.Repl))
}
},
}